Luigi's Mansion Lab and Poltergust

2 moulds appear in no other set

• Brick Special Round, Curved Sides 4 x 4 x 1 1/3 with Pin Holes, 2 x 2 Recessed…
• Nintendo Figure, Legs and Overalls with Two Front Studs, with Internal Prongs…

3 parts come in a colour no other set has for that mould

• Arm, with Pin, Clip (No Hand)Bright Light Orange · ×2
• Brick Special 1 x 1 with Stud on 1 SideLight Nougat · ×2
• Wave / Flame Small with PinWhite

7 printed parts are only in this set

• Tile Round 1 x 1 with Medium Blue Circles on White Background PrintBlack · ×2
• Brick 1 x 2 with Nose, Open Mouth, Tooth PrintLight Nougat
• Brick Curved 2 x 2 x 2/3 with Yellow Eyes, Open Mouth PrintBright Light Orange
• Brick Round 2 x 2, Pin Holes with Lab Coat PrintWhite
• Tile 2 x 2 with Professor E. Gadd and Barcode Print (Sticker)White
• and 2 more

3 parts appear in only a few other sets

• Plate Special 2 x 2 with Groove and Center Stud (Jumper)Light Nougatalso in 40800 Buggy the Clown Figure, 40916 Floral Picture Frame
• Tile 2 x 2 with 'START' in Two Corners and Barcode Print (Sticker)Dark Greenalso in 71399 Luigi's Mansion Entryway, 71401 Luigi's Mansion Haunt-and-Seek (all Super Mario)
• Bar T-Split with HoleLight Bluish Grayalso in 60375 Fire Station and Fire Engine, 60380 Downtown, 60410 Fire Rescue Motorcycle, 892405 Climber Kai

3 parts are otherwise only found in Super Mario sets

• Plate Round Corners 4 x 4 x 2/3 Circle with Reduced KnobsDark Orange · ×4
• Plate Round Corners 4 x 4 x 2/3 Circle with Reduced KnobsMedium Nougat · ×2
• Feet, 2 x 2 x 2/3 with 4 Studs on TopReddish Brown

3 moulds first came out in 2022, including in this set

• Arm, with Pin, Clip (No Hand)×2
• Bar T-Split with Hole
• Plate Round Corners Double 4 x 6 with 2 x 2 Cutout and 2 x 6 Raised Studs

2 existing moulds first came out in their colour in 2022, including in this set

• Plate 1 x 2Light Nougat
• Plate Special 2 x 2 with Groove and Center Stud (Jumper)Light Nougat